RT118x clock initialization (#185)

* Clock configuration for RT118x

* Add clock init call to the bsp

* Remove hard-dependency on `defmt`

Cargo.toml

@@ -15,6 +15,9 @@ license = { workspace = true }
 edition = { workspace = true }
 version = "0.6.0"
 
+[dependencies.cortex-m]
+version = "0.7"
+
 [dependencies.cfg-if]
 version = "1.0"
 
@@ -154,7 +157,6 @@ codegen-units = 256
 ######################################
 
 [dev-dependencies]
-cortex-m = "0.7"
 imxrt-rt = { workspace = true }
 menu = "0.3.2"
 rtic = { version = "2.0", features = ["thumbv7-backend"] }

board/src/imxrt1180evk-cm33.rs

@@ -29,12 +29,31 @@ pub struct Specifics {
 
 impl Specifics {
     pub(crate) fn new(_: &mut crate::Common) -> Self {
-        let iomuxc = unsafe { ral::iomuxc::IOMUXC::instance() };
-        let iomuxc_aon = unsafe { ral::iomuxc_aon::IOMUXC_AON::instance() };
-        let pads = imxrt_hal::iomuxc::into_pads(iomuxc, iomuxc_aon);
+        let ral::Instances {
+            IOMUXC,
+            IOMUXC_AON,
+            RGPIO4,
+            mut ANADIG_OSC,
+            mut ANADIG_PLL,
+            mut ANADIG_PMU,
+            mut CCM,
+            mut DCDC,
+            mut PHY_LDO,
+            ..
+        } = unsafe { ral::Instances::instances() };
 
-        let gpio4 = unsafe { ral::rgpio::RGPIO4::instance() };
-        let mut gpio4 = imxrt_hal::rgpio::Port::new(gpio4);
+        imxrt_hal::ccm::init(
+            &mut ANADIG_OSC,
+            &mut ANADIG_PLL,
+            &mut ANADIG_PMU,
+            &mut CCM,
+            &mut DCDC,
+            &mut PHY_LDO,
+        );
+
+        let pads = imxrt_hal::iomuxc::into_pads(IOMUXC, IOMUXC_AON);
+
+        let mut gpio4 = imxrt_hal::rgpio::Port::new(RGPIO4);
         let led = gpio4.output(pads.gpio_ad.p27);
 
         Specifics { led }